Question about Samsung SyncMaster 753S 17" CRT Monitor

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Another 753s controller problem !!

Yes another prob.!! my tube is 5 years old. my remedy is darn strange!
after initial boot and the "locked/ unlocked" window is flashing, I go play
about four games of "free cell" cards whilst holding in the EXIT button.
This seems to negate the disabling effect of the controller and then I can adjust the display to full screen etc. by the use of all the other buttons. It's a bit of a pain in the **** --- but it seems to work !!!!
A fair dinkun Aussie.

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  • Anonymous May 03, 2008

    Moniter is displaying ' Control Lock '


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Check the ( 78L05) 5v not less than 3v.

Posted on Apr 18, 2008

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Give it to repair by a specilist moniter repair ..., if u use Fixya resolutions u might lose ur moniter!!

Posted on May 07, 2008

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All the words on the screen suddenly became distorted and unable to read, kind of the same appearance if someone were to press hard on a screen of this kind how it leaves a wierd color impression. Also...

sounds like a videocard problem, thermal issue with the GPU, and yes running it 24/7 will decrease the lifespan of the monitor.
However getting 3 years life from a samsung CRT is a pretty good effort considering how often their picture tubes fail.

May 04, 2010 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

Power supply done but display is not

Hi there,

Symptom : No Image on the screen. I cannot turn on the monitor.

Checklist 1 : Is the power connected properly ?
Action : Check the power cord connection and supply.

Checklist 2 : Can you see "No Connection. Check Signal Cable" on the screen ?
Action : Check the signal cable connection.

Checklist 3 : If the power is on, reboot the computer to see the initial screen ( the login screen), which can be seen.
Action : * If the initial screen (the login screen appears, boot the computer in the applicable mode (the safe mode for Windows 98/95) and then change the frequency of the video card.
* Note : If the initial screen ( the login screen) does not appear, contact a service center or your dealer.

Sympton : I cannot see the ON Screen Display.
Checklist : Have you locked the On Screen Display (OSD) Menu to prevent changes ?
Action : Unlock the OSD by pressing the MENU button for atleast 10 seconds.

Hope this helps.
Have a good day.

Dec 08, 2009 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

Monitor control lock

press 14second menu switch..then show unloked,and check 5volt regulater ic Lm7805..

Jan 20, 2009 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

SyncMaster 753s G2 voltage.

Dont worry chayan ghosh +500 is the correct voltage

Take Care

Apr 01, 2008 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

Samsung 753s monitor problem

try to check the B+ line voltage. Check the FET and resistors on this line.

Mar 17, 2008 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

Removing the back cover of a Samsung SyncMaster 753s

there is 2 lock on front side first remove back side lock or scrow then insert small pin pull up back cover your monitor will get open

Jan 20, 2008 | Samsung SyncMaster 753S 17" CRT Monitor

13 Answers

Samtron 56V monitor

Even i was also having the same problem. We can unlock the control lock by holding the menu button for 10-20 seconds.... But now my problem is the message "Controls locked/" appears continuously. Screen width also reduced. If anyone know the solution for this please help. thanks in advance.


Oct 16, 2007 | SAMTRON 55V 15" CRT Monitor

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